Winix Replacement Filters

Winix Plasmawave Air Purifier Replacement Filter

Compare Winix Plasmawave replacement filters by part number, filter stage and pack size, so you can match the right media to your model, room size and air quality needs.
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Winix Filter S 1712-0096-00 Replacement for C545 PlasmaWave Purifiers, 25% Off Now
Part-numbered Filter S sits 25% below its usual price and matches the 1712-0096-00 replacement size used by Winix C545 PlasmaWave purifiers. Replace it when airflow weakens or odors linger after you vacuum the pre-filter, because the main media is what traps fine dust, pollen and pet dander.
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Filter A 115115 Winix PlasmaWave True HEPA Replacement, 35% Off Seasonal Price
The 115115 Filter A is one of the most common Winix replacement sizes and is marked down 35% in this selection. Shoppers who already own a compatible unit often buy it as a scheduled spare, so the purifier holds its rated performance instead of drifting downward as the media loads.
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Filter H 116130 Winix Replacement Filter for Daily-Run Homes, 35% Off Today
Filter H, part number 116130, appears at 35% off here. It suits households that run their unit daily through pollen season and want a genuine-fit replacement ready on hand, since a snug seat around the media helps stop unfiltered air from slipping past the seal.
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Filter O 1712-0110-00 Winix Replacement Filter Sized for Spare Rooms, 27% Off
Marked down 27%, Filter O covers Winix models that take the 1712-0110-00 replacement size. It is a sensible add-on for anyone refreshing filters in more than one room at a time, keeping each unit's stages fresh without committing to a whole-system repurchase.
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Filter U 1712-0094-00 Winix Replacement Filter for Scheduled Filter Changes
Filter U, part 1712-0094-00, sits 25% below its usual price. Treat it as the prompt to check your purifier's filter indicator: swapping the main media on schedule keeps auto mode responsive and avoids the slow loss of airflow that a saturated filter causes.
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Filters ready to ship now

Five single filters covering common Winix sizes at seasonal markdowns, so you can replace one worn stage without overbuying.
Single white pleated Filter I replacement cartridge standing on a pale wood table

Winix Filter I 116131 Replacement Air Purifier Filter, 29% Off Seasonal Price

Filter I, part number 116131, is a Winix PlasmaWave replacement filter shown here at 29% off. If your unit’s indicator has flagged the main media or airflow has softened after a heavy pollen stretch, this is the moment to swap it, since a loaded filter forces the fan to work harder while the sensor reads air it can no longer clear.
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Shopper favorites

Popular Winix filters by pack size and household need

Winix PlasmaWave True HEPA Air Purifier Filter 115115, Genuine Fit for Home

This is the True HEPA filter built for Winix PlasmaWave purifiers that take the 115115 size. True HEPA media is rated to capture the fine particles that matter most indoors, which makes it the right pick for anyone who wants the same filtration stage the unit shipped with.
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115115 Filter A Bundle: 2 True HEPA Size 21 Filters and 8 Carbon Pre-Filters

Two True HEPA Size 21 filters plus eight carbon pre-filters arrive together here, which suits owners of compatible Winix units who want several changes covered at once. The carbon layers handle cooking and pet odors between deep cleans, while the HEPA pair keeps particle capture consistent all year.
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C545 Filter S 4-Pack HEPA Replacement Compatible with 1712-0096-00 and 2522-0058-00

A four-pack of high-efficiency replacement filters for the Winix C545, compatible with part numbers 1712-0096-00 and 2522-0058-00. Buying four at once suits pet households where dander loads the media quickly, and it spreads the cost of several scheduled changes across a longer stretch.
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C610 Filter Z 2-Pack All-in-One True HEPA and Carbon Replacement, Part 1712-0121-00

Part number 1712-0121-00, this two-pack replaces the 360-degree all-in-one cartridge in the Winix C610, combining mesh pre-filter, activated carbon and True HEPA in a single cylinder. One swap refreshes every stage at once, which is convenient for owners who would rather not track separate filter parts.
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C545 Filter S Replacement for Homes with Pets, Odor and Smoke Control, 1712-0096-00

Built for the Winix C545 and matching part numbers 1712-0096-00 and 2522-0058-00, this filter uses high-efficiency material aimed at pet hair, smoke and household odors. It is the option to weigh when smell control matters as much as particle capture in a busy living space.
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C545 Filter S 2-Pack with 8 Activated Carbon Filters, Replaces 1712-0096-00

Two main Filter S units and eight activated carbon filters share one box, replacing parts 1712-0096-00 and 2522-0058-00. The carbon sheets can be swapped more often than the main media, so odor reduction stays steady in kitchens and entryways while the HEPA layer keeps its longer change interval.
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Where Winix filters fit your home routines

These situations show which Winix filter stage each household actually needs, from nightly bedroom runs to pet-heavy living spaces and seasonal pollen.
White air purifier running beside a neatly made bed with its filter door slightly ajar

Nighttime bedroom air cleaning

Run a unit with fresh media overnight in the bedroom; quiet auto mode holds particle levels steady through the sleep hours.

White pleated filter and black carbon sheet beside a pet bed with a small dog resting behind

Pet hair and dander loads

Homes with dogs and cats load filters faster, so pack sizes with extra carbon sheets keep dander and odor managed between swaps.

Slim white air purifier on a kitchen counter with a carbon filter sheet resting beside it

Kitchen cooking odor control

Cooking smells travel fast; a carbon stage adsorbs them before they spread, which matters most in open kitchen-and-living layouts.

White pleated filter half withdrawn from an open purifier filter bay near a bright window

Seasonal pollen season coverage

Pollen season stretches for weeks, so replace the main media when indicators flag it rather than waiting for visible household dust.

Two white pleated filters placed between a bedroom doorway and a living room with purifiers in each

Multi-room whole-home coverage

When purifiers run in several rooms, buying packs covers more than one scheduled change and spreads the yearly filter cost.

White pleated filter beside an open purifier filter bay near a closed living room window

Wildfire and smoke-prone homes

Smoke events spike particle counts quickly, so keep a spare HEPA media on hand and swap as soon as airflow softens noticeably.

Before you choose

Six factors that decide which Winix filter fits

Label panel on a white air purifier showing a model number beside a filter

Match Your Model Number

Check your unit's label first; filter letters fit only listed models.

White pleated HEPA cylinder placed beside a black activated carbon ring on a light table

Count the Filter Stages

HEPA traps particles while carbon adsorbs odors, so stage choice matters.

Small and large white air purifiers with filters in a modest room and a spacious living room

Match Room Size Needs

Match filter size to your room so the unit clears air at rated pace.

Three identical white pleated filters lined up beside one single filter on a light counter

Compare Pack Size Value

Multi-packs lower cost per change and keep spares ready year-round.

Black activated carbon filter sheet and charcoal granules beside a low white purifier in a kitchen

Weigh Carbon for Odors

Homes with pets or cooking odors need a dedicated carbon stage most.

Dusty grey pleated filter held beside an open purifier filter bay on a wood floor

Read Filter Change Cues

Filter indicators and softer airflow both signal the media is spent.

Filter types explained

Three kinds of Winix replacement filters to compare

Cylindrical white True HEPA filter with fine pleated media shown close up on a light surface
Main HEPA media for particle loads

Main filters carry the True HEPA stage that captures dust, pollen and pet dander. Choose this direction when particle capture matters more than odor, and check that the part number matches your unit before ordering.

Black activated carbon filter sheet and charcoal granules arranged on a grey countertop
Carbon-focused media for odor control

Carbon stages adsorb cooking smells, smoke and pet odors before they spread. Weigh this direction for kitchens, entryways and homes with animals, and remember carbon sheets are usually replaced more often than the HEPA layer.

Assortment of white pleated filters and black carbon sheets grouped together on a wooden table
Multi-packs that combine both stages

Bundled packs pair HEPA media with extra carbon sheets, covering several scheduled changes in one order. Consider this direction if you run purifiers year-round or keep spares on hand, since per-change cost usually falls as pack size rises.

Shopper stories

First-hand notes from people who shop Winix filters

I spent a while matching my unit's part number against the listings before I picked anything. Seeing each filter letter written out plainly made the decision easy, and I felt confident I was not gambling on a size that might not seat properly.
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Dana R.Compared part numbers before ordering a spare
I started keeping a spare filter in the closet so I could swap the moment airflow dipped. The change took a couple of minutes, and the difference in how the room smelled afterward was obvious well before the old filter looked dirty.
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Marcus L.Kept a scheduled spare on hand
With purifiers running in the bedroom and the living room, buying a pack made more sense than ordering singles twice a year. I noted the change interval on my calendar and now both units get fresh media on the same weekend.
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Priya S.Bought a multi-pack for two rooms
Our dog means the filters load faster than I expected, so I look for packs that include extra carbon sheets. Replacing the carbon more often keeps the hallway from holding that wet-dog smell, which was the main reason I bought a purifier.
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Erin W.Shopped for a home with pets
I compared compatible multi-packs against genuine filters and decided to mix, keeping genuine media in the bedroom where I run the unit overnight. Reading the pack contents clearly helped me work out the real yearly cost before I committed.
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Tom H.Weighted genuine fit against price
Questions shoppers ask

Practical filter questions and trade-offs answered

Check the model number printed on your unit’s label, then match that number against the filter listing rather than the brand alone. Filter letters are not interchangeable across Winix lines, so a mismatch can leave gaps around the seal and let unfiltered air pass.
Indicators track runtime and airflow, not pollen counts, so a heavy season can load the media sooner than the alert suggests. Check the filter every few months: a grey, dusty pleat surface or weaker airflow means swap it, even if no light is on.
PlasmaWave releases water vapor ions that help break down odors and some airborne irritants at a molecular level. It is a supporting stage, not a particle filter, so it works alongside True HEPA media rather than replacing the main filter cartridge.
Multi-packs lower the cost per change and keep spares ready, which suits homes running purifiers year-round or in several rooms. If you only own one unit and change media once a year, a single filter avoids storing media that may sit unused for years.
Yes, usually. Carbon sheets adsorb odors and gases until their pores fill, often within a few months in kitchens or pet households, while True HEPA media typically runs longer. Replacing carbon on its own keeps smell control steady between HEPA changes.
Filter size has to match the unit, so a bigger cartridge will not seat correctly in a smaller purifier. What helps is fresh media matched to your room’s size, run on auto mode, which lets the sensor adjust fan speed as particle levels change overnight.

Buying advice and filter care from our latest posts